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Income Tax (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Dec. 22, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Income Tax (Textual) |  |  |  |  |
Effective income tax rate |  | (4.50%) | 55.70% | 18.30% | 41.90%
Provisional tax expense |  | $ (71,627) | $ 293,750 | $ 267,918 | $ 610,995
Deferred tax asset valuation allowance |  | 100.00% |  | 100.00% |
Operating income loss carryforwards, period |  |  |  | 20 years |
Net operating loss carry forward |  | $ 14,560,000 |  | $ 14,560,000 |
Income tax, description | The provisions of the Tax Act that may have significant impact on the Company include the permanent reduction of the corporate income tax rate from 35% to 21% effective for tax years including or commencing on January 1, 2018, a one-time transition tax on post-1986 foreign unremitted earnings, the provision for Global Intangible Low Tax Income ("GILTI"), the deduction for Foreign Derived Intangible Income ("FDII"), the repeal of corporate alternative minimum tax, the limitation of various business deductions, and the modification of the maximum deduction of net operating loss with no carryback but indefinite carryforward provision. Many provisions in the Tax Act are generally effective in tax years beginning after December 31, 2017. |  |  |  |
Chinese subsidiaries [Member] |  |  |  |  |
Income Tax (Textual) |  |  |  |  |
Effective income tax rate |  |  | 25.00% | 25.00% |
PRC [Member] |  |  |  |  |
Income Tax (Textual) |  |  |  |  |
Effective income tax rate |  |  |  | 25.00% |
One-time transition tax [Member] |  |  |  |  |
Income Tax (Textual) |  |  |  |  |
Provisional tax expense | $ 7,610,000 |  |  |  |

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